Fitbit Flex 2 vs. Amazfit Arc vs. Xiaomi Mi Band 4 vs. Huawei Band 2 vs. Amazfit T-Rex

 
Flex 2
Arc
Mi Band 4
Band 2
T-Rex
 FitbitFlex 2Remove Buy NowAmazfitArcRemove Buy NowXiaomiMi Band 4Remove Buy NowHuaweiBand 2Remove Buy NowAmazfitT-RexRemove Buy Now

Basic Info

Suggested Price$100$69.99$25$69.99$140
Release20162016201920172019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days20 days20 days21 days20 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/a
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/a72 x40120x240128 x 32360 x 360
Sizen/a0.42 inches0.95 inches0.91 inches1.3 inches
Touchn/a
TypeLEDOLEDAMOLEDPMOLEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATMIP675 ATM5 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aAMAZFIT OSBuild-in
Apps
Music

All Wearables